| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 987.65 | USD | 20251121 |
| Shandong Jinshenrun Chem | China national standards | MT | 987.65 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 874.78 | USD | 20251121 |
| Shanghai Guoke | China national standards | MT | 1281.13 | USD | 20251121 |
| Shandong Qiangsen Chem | China national standards | MT | 931.22 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 874.78 | USD | 20251121 |
| Shandong Qiangsen Chem | China national standards | MT | 931.22 | USD | 20251121 |
| Shandong Jinshenrun Chem | China national standards | MT | 987.65 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1100.53 | USD | 20251121 |
| Lihuayi Weiyuan Chem | China national standards | MT | 931.22 | USD | 20251121 |